Home / 18,630.93-27,945.99-8,764.74

Finding the Fourth Proportional to 18,630.93, 27,945.99 and 8,764.74

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Solution

The fourth proportional to 18,630.93, 27,945.99 and 8,764.74 is: 13,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.93 : 27,945.99 = 8,764.74 : x
  2. Step 2: Convert to fraction form
    18,630.93/27,945.99 = 8,764.74/x
  3. Step 3: Cross multiply
    18,630.93x = 27,945.99 × 8,764.74
  4. Step 4: Simplify right side
    18,630.93x = 244,939,336.39
  5. Step 5: Solve for x
    x = 244,939,336.39/18,630.93
  6. Step 6: Final answer
    x = 13,146.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.